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SUSE SLED15 / SLES15 Security Update : protobuf (SUSE-SU-2025:3722-1)

high Nessus Plugin ID 271227

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:3722-1 advisory.

 - CVE-2025-4565: parsing of untrusted Protocol Buffers data containing an arbitrary number of recursive groups or messages can lead to crash due to a `RecursionError` (bsc#1244663).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected libprotobuf20 and / or python3-protobuf packages.

See Also

https://bugzilla.suse.com/1244663

http://www.nessus.org/u?9c7ad411

https://www.suse.com/security/cve/CVE-2025-4565

Plugin Details

Severity: High

ID: 271227

File Name: suse_SU-2025-3722-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/23/2025

Updated: 10/23/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2025-4565

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libprotobuf20, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:python3-protobuf

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 10/22/2025

Vulnerability Publication Date: 6/16/2025

Reference Information

CVE: CVE-2025-4565

SuSE: SUSE-SU-2025:3722-1